diff options
Diffstat (limited to 'lib/libpam.c')
| -rw-r--r-- | lib/libpam.c | 191 |
1 files changed, 95 insertions, 96 deletions
diff --git a/lib/libpam.c b/lib/libpam.c index cc6368e1..a8f140b3 100644 --- a/lib/libpam.c +++ b/lib/libpam.c @@ -12,7 +12,8 @@ offset stuff. */ #define _FILE_OFFSET_BITS 64 -#define _LARGE_FILES +#define _LARGE_FILES +#define _DEFAULT_SOURCE 1 /* New name for SVID & BSD source defines */ #define _BSD_SOURCE 1 /* Make sure strdup() is in string.h */ #define _XOPEN_SOURCE 500 /* Make sure strdup() is in string.h */ @@ -107,7 +108,7 @@ validateComputableSize(struct pam * const pamP) { INT_MAX - depth * sizeof(tuple *)) pm_error("image width and depth (%u, %u) too large " "to be processed.", pamP->width, depth); - + if (depth > INT_MAX - 2) pm_error("image depth (%u) too large to be processed", depth); if (pamP->width > INT_MAX - 2) @@ -129,7 +130,7 @@ pnm_allocpamtuple(const struct pam * const pamP) { retval = malloc(allocationDepth(pamP) * sizeof(retval[0])); if (retval == NULL) - pm_error("Out of memory allocating %u-plane tuple", + pm_error("Out of memory allocating %u-plane tuple", allocationDepth(pamP)); return retval; @@ -138,15 +139,15 @@ pnm_allocpamtuple(const struct pam * const pamP) { int -pnm_tupleequal(const struct pam * const pamP, - tuple const comparand, +pnm_tupleequal(const struct pam * const pamP, + tuple const comparand, tuple const comparator) { unsigned int plane; bool equal; equal = TRUE; /* initial value */ - for (plane = 0; plane < pamP->depth; ++plane) + for (plane = 0; plane < pamP->depth; ++plane) if (comparand[plane] != comparator[plane]) equal = FALSE; @@ -172,11 +173,11 @@ pnm_assigntuple(const struct pam * const pamP, static void scaleTuple(const struct pam * const pamP, tuple const dest, - tuple const source, + tuple const source, sample const newmaxval) { unsigned int plane; - for (plane = 0; plane < pamP->depth; ++plane) + for (plane = 0; plane < pamP->depth; ++plane) dest[plane] = pnm_scalesample(source[plane], pamP->maxval, newmaxval); } @@ -185,7 +186,7 @@ scaleTuple(const struct pam * const pamP, void pnm_scaletuple(const struct pam * const pamP, tuple const dest, - tuple const source, + tuple const source, sample const newmaxval) { scaleTuple(pamP, dest, source, newmaxval); @@ -194,7 +195,7 @@ pnm_scaletuple(const struct pam * const pamP, void -pnm_createBlackTuple(const struct pam * const pamP, +pnm_createBlackTuple(const struct pam * const pamP, tuple * const blackTupleP) { /*---------------------------------------------------------------------------- Create a "black" tuple. By that we mean a tuple all of whose elements @@ -204,7 +205,7 @@ pnm_createBlackTuple(const struct pam * const pamP, *blackTupleP = pnm_allocpamtuple(pamP); - for (i = 0; i < pamP->depth; ++i) + for (i = 0; i < pamP->depth; ++i) (*blackTupleP)[i] = 0; } @@ -225,14 +226,14 @@ allocPamRow(const struct pam * const pamP) { tuple * tuplerow; tuplerow = malloc(pamP->width * (sizeof(tuple *) + bytesPerTuple)); - + if (tuplerow != NULL) { /* Now we initialize the pointers to the individual tuples - to make this a regulation C two dimensional array. + to make this a regulation C two dimensional array. */ char * p; unsigned int col; - + p = (char*) (tuplerow + pamP->width); /* location of Tuple 0 */ for (col = 0; col < pamP->width; ++col) { tuplerow[col] = (tuple) p; @@ -260,7 +261,7 @@ pnm_allocpamrow(const struct pam * const pamP) { -static unsigned int +static unsigned int rowimagesize(const struct pam * const pamP) { /* If repeatedly calculating this turns out to be a significant @@ -270,7 +271,7 @@ rowimagesize(const struct pam * const pamP) { if (PAM_FORMAT_TYPE(pamP->format) == PBM_TYPE) return pbm_packed_bytes(pamP->width); - else + else return (pamP->width * pamP->bytes_per_sample * pamP->depth); } @@ -306,7 +307,7 @@ pnm_freerowimage(unsigned char * const rowimage) { -void +void pnm_scaletuplerow(const struct pam * const pamP, tuple * const destRow, tuple * const sourceRow, @@ -320,26 +321,26 @@ pnm_scaletuplerow(const struct pam * const pamP, for (col = 0; col < pamP->width; ++col) pnm_assigntuple(pamP, destRow[col], sourceRow[col]); } - } else { + } else { unsigned int col; - for (col = 0; col < pamP->width; ++col) + for (col = 0; col < pamP->width; ++col) scaleTuple(pamP, destRow[col], sourceRow[col], newMaxval); } } - + tuple ** pnm_allocpamarray(const struct pam * const pamP) { - + tuple **tuplearray; /* If the speed of this is ever an issue, it might be sped up a little by allocating one large chunk. */ - + MALLOCARRAY(tuplearray, pamP->height); - if (tuplearray == NULL) + if (tuplearray == NULL) pm_error("Out of memory allocating the row pointer section of " "a %u row array", pamP->height); else { @@ -352,14 +353,14 @@ pnm_allocpamarray(const struct pam * const pamP) { if (tuplearray[row] == NULL) { unsigned int freerow; outOfMemory = TRUE; - + for (freerow = 0; freerow < row; ++freerow) pnm_freepamrow(tuplearray[row]); } } if (outOfMemory) { free(tuplearray); - + pm_error("Out of memory allocating the %u rows %u columns wide by " "%u planes deep", pamP->height, pamP->width, allocationDepth(pamP)); @@ -382,7 +383,7 @@ pnm_freepamarray(tuple ** const tuplearray, const struct pam * const pamP) { -void +void pnm_setminallocationdepth(struct pam * const pamP, unsigned int const allocationDepth) { @@ -393,7 +394,7 @@ pnm_setminallocationdepth(struct pam * const pamP, pamP->len, (unsigned)PAM_STRUCT_SIZE(allocation_depth)); pamP->allocation_depth = MAX(allocationDepth, pamP->depth); - + validateComputableSize(pamP); } @@ -401,13 +402,13 @@ pnm_setminallocationdepth(struct pam * const pamP, void pnm_setpamrow(const struct pam * const pamP, - tuple * const tuplerow, + tuple * const tuplerow, sample const value) { int col; for (col = 0; col < pamP->width; ++col) { int plane; - for (plane = 0; plane < pamP->depth; ++plane) + for (plane = 0; plane < pamP->depth; ++plane) tuplerow[col][plane] = value; } } @@ -420,9 +421,9 @@ pnm_setpamrow(const struct pam * const pamP, static void parseHeaderLine(const char buffer[], - char label[MAX_LABEL_LENGTH+1], + char label[MAX_LABEL_LENGTH+1], char value[MAX_VALUE_LENGTH+1]) { - + int buffer_curs; buffer_curs = 0; @@ -434,12 +435,12 @@ parseHeaderLine(const char buffer[], int label_curs; label_curs = 0; while (!ISSPACE(buffer[buffer_curs]) && buffer[buffer_curs] != '\0') { - if (label_curs < MAX_LABEL_LENGTH) + if (label_curs < MAX_LABEL_LENGTH) label[label_curs++] = buffer[buffer_curs]; buffer_curs++; } label[label_curs] = '\0'; /* null terminate it */ - } + } /* Skip white space between label and value */ while (ISSPACE(buffer[buffer_curs])) buffer_curs++; @@ -451,7 +452,7 @@ parseHeaderLine(const char buffer[], /* Remove trailing white space from value[] */ int value_curs; value_curs = strlen(value)-1; - while (value_curs >= 0 && ISSPACE(value[value_curs])) + while (value_curs >= 0 && ISSPACE(value[value_curs])) value[value_curs--] = '\0'; } } @@ -493,10 +494,10 @@ parseHeaderUint(const char * const valueString, if (errno != 0) pm_error("Too-large value for %s in " "PAM file header: '%s'", name, valueString); - else if (*endptr != '\0') + else if (*endptr != '\0') pm_error("Non-numeric value for %s in " "PAM file header: '%s'", name, valueString); - else if (valueNum < 0) + else if (valueNum < 0) pm_error("Negative value for %s in " "PAM file header: '%s'", name, valueString); else if ((unsigned int)valueNum != valueNum) @@ -582,7 +583,7 @@ processHeaderLine(char const buffer[], } pamP->tuple_type[sizeof(pamP->tuple_type)-1] = '\0'; } - } else + } else pm_error("Unrecognized header line type: '%s'. " "Possible missing ENDHDR line?", label); } @@ -643,13 +644,13 @@ readpaminitrest(struct pam * const pamP) { comments = strdup(""); - { + { int c; - /* Read off rest of 1st line -- probably just the newline after the - magic number + /* Read off rest of 1st line -- probably just the newline after the + magic number */ while ((c = getc(pamP->file)) != -1 && c != '\n'); - } + } while (!headerSeen.endhdr) { char buffer[256]; @@ -664,7 +665,7 @@ readpaminitrest(struct pam * const pamP) { appendComment(&comments, buffer); else if (pm_stripeq(buffer, "")); /* Ignore it; it's a blank line */ - else + else processHeaderLine(buffer, pamP, &headerSeen); } } @@ -680,13 +681,13 @@ readpaminitrest(struct pam * const pamP) { if (!headerSeen.maxval) pm_error("No MAXVAL header line in PAM header"); - if (pamP->height == 0) + if (pamP->height == 0) pm_error("HEIGHT value is zero in PAM header"); - if (pamP->width == 0) + if (pamP->width == 0) pm_error("WIDTH value is zero in PAM header"); - if (pamP->depth == 0) + if (pamP->depth == 0) pm_error("DEPTH value is zero in PAM header"); - if (pamP->maxval == 0) + if (pamP->maxval == 0) pm_error("MAXVAL value is zero in PAM header"); if (pamP->maxval > PAM_OVERALL_MAXVAL) pm_error("MAXVAL value (%lu) in PAM header is greater than %u", @@ -696,9 +697,9 @@ readpaminitrest(struct pam * const pamP) { void -pnm_readpaminitrestaspnm(FILE * const fileP, - int * const colsP, - int * const rowsP, +pnm_readpaminitrestaspnm(FILE * const fileP, + int * const colsP, + int * const rowsP, gray * const maxvalP, int * const formatP) { /*---------------------------------------------------------------------------- @@ -742,7 +743,7 @@ pnm_readpaminitrestaspnm(FILE * const fileP, } - + unsigned int pnm_bytespersample(sample const maxval) { /*---------------------------------------------------------------------------- @@ -870,17 +871,17 @@ interpretTupleType(struct pam * const pamP) { -void -pnm_readpaminit(FILE * const file, - struct pam * const pamP, +void +pnm_readpaminit(FILE * const file, + struct pam * const pamP, int const size) { - if (size < PAM_STRUCT_SIZE(tuple_type)) + if (size < PAM_STRUCT_SIZE(tuple_type)) pm_error("pam object passed to pnm_readpaminit() is too small. " "It must be large " "enough to hold at least up to the " "'tuple_type' member, but according " - "to the 'size' argument, it is only %d bytes long.", + "to the 'size' argument, it is only %d bytes long.", size); pamP->size = size; @@ -894,7 +895,7 @@ pnm_readpaminit(FILE * const file, pamP->format = pm_readmagicnumber(file); switch (PAM_FORMAT_TYPE(pamP->format)) { - case PAM_TYPE: + case PAM_TYPE: readpaminitrest(pamP); break; case PPM_TYPE: { @@ -925,12 +926,12 @@ pnm_readpaminit(FILE * const file, if (pamCommentP(pamP)) *pamP->comment_p = strdup(""); break; - + default: pm_error("bad magic number 0x%x - not a PAM, PPM, PGM, or PBM file", pamP->format); } - + pamP->bytes_per_sample = pnm_bytespersample(pamP->maxval); pamP->plainformat = FALSE; /* See below for complex explanation of why this is FALSE. */ @@ -958,7 +959,7 @@ writeComments(const struct pam * const pamP) { for (p = &comment[0], startOfLine = TRUE; *p; ++p) { if (startOfLine) fputc('#', pamP->file); - + fputc(*p, pamP->file); if (*p == '\n') @@ -985,7 +986,7 @@ writeComments(const struct pam * const pamP) { pam structure is what determines whether it is raw or plain. So we set it false here so that it is false in the copied output pam structure. - + Before 10.32, we set 'plainformat' according to the plainness of the input image, and thought it was a good idea for a program that reads a plain format input image to @@ -996,7 +997,7 @@ writeComments(const struct pam * const pamP) { facilities to pam. */ -void +void pnm_writepaminit(struct pam * const pamP) { const char * tupleType; @@ -1013,7 +1014,7 @@ pnm_writepaminit(struct pam * const pamP) { "It must be large " "enough to hold at least up through the " "'bytes_per_sample' member, but according " - "to its 'size' member, it is only %u bytes long.", + "to its 'size' member, it is only %u bytes long.", pamP->size); if (pamP->len < PAM_STRUCT_SIZE(maxval)) pm_error("pam object must contain members at least through 'maxval', " @@ -1044,7 +1045,7 @@ pnm_writepaminit(struct pam * const pamP) { interpretTupleType(pamP); pamP->len = MIN(pamP->size, PAM_STRUCT_SIZE(opacity_plane)); - + switch (PAM_FORMAT_TYPE(pamP->format)) { case PAM_TYPE: /* See explanation below of why we ignore 'pm_plain_output' here. */ @@ -1064,13 +1065,13 @@ pnm_writepaminit(struct pam * const pamP) { */ if (pamP->depth != 3) pm_error("pnm_writepaminit() got PPM format, but depth = %d " - "instead of 3, as required for PPM.", + "instead of 3, as required for PPM.", pamP->depth); - if (pamP->maxval > PPM_OVERALLMAXVAL) + if (pamP->maxval > PPM_OVERALLMAXVAL) pm_error("pnm_writepaminit() got PPM format, but maxval = %ld, " - "which exceeds the maximum allowed for PPM: %d", + "which exceeds the maximum allowed for PPM: %d", pamP->maxval, PPM_OVERALLMAXVAL); - ppm_writeppminit(pamP->file, pamP->width, pamP->height, + ppm_writeppminit(pamP->file, pamP->width, pamP->height, (pixval) pamP->maxval, pamP->plainformat); break; @@ -1081,9 +1082,9 @@ pnm_writepaminit(struct pam * const pamP) { pamP->depth); if (pamP->maxval > PGM_OVERALLMAXVAL) pm_error("pnm_writepaminit() got PGM format, but maxval = %ld, " - "which exceeds the maximum allowed for PGM: %d", + "which exceeds the maximum allowed for PGM: %d", pamP->maxval, PGM_OVERALLMAXVAL); - pgm_writepgminit(pamP->file, pamP->width, pamP->height, + pgm_writepgminit(pamP->file, pamP->width, pamP->height, (gray) pamP->maxval, pamP->plainformat); break; @@ -1092,10 +1093,10 @@ pnm_writepaminit(struct pam * const pamP) { pm_error("pnm_writepaminit() got PBM format, but depth = %d " "instead of 1, as required for PBM.", pamP->depth); - if (pamP->maxval != 1) + if (pamP->maxval != 1) pm_error("pnm_writepaminit() got PBM format, but maxval = %ld " "instead of 1, as required for PBM.", pamP->maxval); - pbm_writepbminit(pamP->file, pamP->width, pamP->height, + pbm_writepbminit(pamP->file, pamP->width, pamP->height, pamP->plainformat); break; @@ -1125,29 +1126,29 @@ pnm_writepaminit(struct pam * const pamP) { void -pnm_checkpam(const struct pam * const pamP, - enum pm_check_type const checkType, +pnm_checkpam(const struct pam * const pamP, + enum pm_check_type const checkType, enum pm_check_code * const retvalP) { if (checkType != PM_CHECK_BASIC) { if (retvalP) *retvalP = PM_CHECK_UNKNOWN_TYPE; } else switch (PAM_FORMAT_TYPE(pamP->format)) { case PAM_TYPE: { - pm_filepos const need_raster_size = + pm_filepos const need_raster_size = pamP->width * pamP->height * pamP->depth * pamP->bytes_per_sample; pm_check(pamP->file, checkType, need_raster_size, retvalP); } break; case PPM_TYPE: - pgm_check(pamP->file, checkType, pamP->format, + pgm_check(pamP->file, checkType, pamP->format, pamP->width, pamP->height, pamP->maxval, retvalP); break; case PGM_TYPE: - pgm_check(pamP->file, checkType, pamP->format, + pgm_check(pamP->file, checkType, pamP->format, pamP->width, pamP->height, pamP->maxval, retvalP); break; case PBM_TYPE: - pbm_check(pamP->file, checkType, pamP->format, + pbm_check(pamP->file, checkType, pamP->format, pamP->width, pamP->height, retvalP); break; default: @@ -1157,7 +1158,7 @@ pnm_checkpam(const struct pam * const pamP, -void +void pnm_maketuplergb(const struct pam * const pamP, tuple const tuple) { @@ -1171,29 +1172,27 @@ pnm_maketuplergb(const struct pam * const pamP, -void +void pnm_makerowrgb(const struct pam * const pamP, tuple * const tuplerow) { - + if (pamP->depth < 3) { unsigned int col; if (allocationDepth(pamP) < 3) pm_error("allocation depth %u passed to pnm_makerowrgb(). " "Must be at least 3.", allocationDepth(pamP)); - - if (strncmp(pamP->tuple_type, "RGB", 3) != 0) { - for (col = 0; col < pamP->width; ++col) { - tuple const thisTuple = tuplerow[col]; - thisTuple[2] = thisTuple[1] = thisTuple[0]; - } + + for (col = 0; col < pamP->width; ++col) { + tuple const thisTuple = tuplerow[col]; + thisTuple[2] = thisTuple[1] = thisTuple[0]; } } } -void +void pnm_makearrayrgb(const struct pam * const pamP, tuple ** const tuples) { @@ -1202,7 +1201,7 @@ pnm_makearrayrgb(const struct pam * const pamP, if (allocationDepth(pamP) < 3) pm_error("allocation depth %u passed to pnm_makearrayrgb(). " "Must be at least 3.", allocationDepth(pamP)); - + for (row = 0; row < pamP->height; ++row) { tuple * const tuplerow = tuples[row]; unsigned int col; @@ -1216,7 +1215,7 @@ pnm_makearrayrgb(const struct pam * const pamP, -void +void pnm_makerowrgba(const struct pam * const pamP, tuple * const tuplerow) { /*---------------------------------------------------------------------------- @@ -1237,7 +1236,7 @@ pnm_makerowrgba(const struct pam * const pamP, } else { if (!pamP->visual) pm_error("Non-visual tuples given to pnm_addopacityrow()"); - + if (pamP->color_depth >= 3 && pamP->have_opacity) { /* It's already in RGBA format. Leave it alone. */ } else { @@ -1246,10 +1245,10 @@ pnm_makerowrgba(const struct pam * const pamP, if (allocationDepth(pamP) < 4) pm_error("allocation depth %u passed to pnm_makerowrgba(). " "Must be at least 4.", allocationDepth(pamP)); - + for (col = 0; col < pamP->width; ++col) { tuple const thisTuple = tuplerow[col]; - thisTuple[PAM_TRN_PLANE] = + thisTuple[PAM_TRN_PLANE] = pamP->have_opacity ? thisTuple[pamP->opacity_plane] : pamP->maxval; @@ -1263,7 +1262,7 @@ pnm_makerowrgba(const struct pam * const pamP, -void +void pnm_addopacityrow(const struct pam * const pamP, tuple * const tuplerow) { /*---------------------------------------------------------------------------- @@ -1284,7 +1283,7 @@ pnm_addopacityrow(const struct pam * const pamP, } else { if (!pamP->visual) pm_error("Non-visual tuples given to pnm_addopacityrow()"); - + if (pamP->have_opacity) { /* It already has opacity. Leave it alone. */ } else { @@ -1296,7 +1295,7 @@ pnm_addopacityrow(const struct pam * const pamP, pm_error("allocation depth %u passed to pnm_addopacityrow(). " "Must be at least %u.", allocationDepth(pamP), opacityPlane + 1); - + for (col = 0; col < pamP->width; ++col) tuplerow[col][opacityPlane] = pamP->maxval; } @@ -1387,7 +1386,7 @@ pnm_backgroundtuple(struct pam * const pamP, /*============================================================================= - pm_system() Standard Input feeder and Standard Output accepter functions. + pm_system() Standard Input feeder and Standard Output accepter functions. =============================================================================*/ void |