diff options
Diffstat (limited to 'msed.c')
| -rw-r--r-- | msed.c | 80 |
1 files changed, 40 insertions, 40 deletions
diff --git a/msed.c b/msed.c index fe9078c..643fdd8 100644 --- a/msed.c +++ b/msed.c @@ -23,9 +23,9 @@ subst(char *str, char *srch, char *repl, char *flags) int iflag = !!strchr(flags, 'i'); int gflag = !!strchr(flags, 'g'); -#define APP(o,l) do {if(bufe-b<(ssize_t)l) return str; memcpy(b,str+i+o,l); b+=l;} while(0) -#define APPC(c) do {if(b>=bufe) return str; *b++=c;} while(0) - +#define APP(o, l) do { if (bufe-b < (ssize_t)l) return str; memcpy(b, str+i+o, l); b += l; } while (0) +#define APPC(c) do { if (b >= bufe) return str; *b++ = c; } while (0) + regex_t srchrx; regmatch_t pmatch[10]; if (regcomp(&srchrx, srch, iflag ? REG_ICASE : 0) != 0) @@ -52,7 +52,7 @@ subst(char *str, char *srch, char *repl, char *flags) t++; n = *t++ - '0'; } - + APP(pmatch[n].rm_so, pmatch[n].rm_eo - pmatch[n].rm_so); } else if (*t == '\\' && *(t+1)) { @@ -62,7 +62,7 @@ subst(char *str, char *srch, char *repl, char *flags) APPC(*t++); } } - + i += pmatch[0].rm_eo; // advance to end of match if (!gflag) break; @@ -198,7 +198,7 @@ sed(char *file) char *from = strndup(s, t-s-1); char *to = strndup(t, u-t-1); char *flags = strndup(u, e-u); - + char *ov = v; v = strdup(subst(ov, from, to, flags)); free(ov); @@ -231,7 +231,7 @@ sed(char *file) while (*e && (*e == ' ' || *e == '\t' || *e == '\n' || *e == ';')) e++; - + hs = he = 0; if (*e == '/') { e++; @@ -243,49 +243,49 @@ sed(char *file) if (*e) e++; } - + char sep; char *s; char *h = 0; char *v = 0; switch (*e) { - case 'a': - if (he != hs) { - h = strndup(hs, he-hs); - } else { - fprintf(stderr, "msed: used command a without header name\n"); - exit(1); - } + case 'a': + if (he != hs) { + h = strndup(hs, he-hs); + } else { + fprintf(stderr, "msed: used command a without header name\n"); + exit(1); + } - e++; - if (*e == ' ' || *e == '\t' || *e == '\n' || *e == ';' || !*e) { - fprintf(stderr, "msed: no header value for %s\n", h); + e++; + if (*e == ' ' || *e == '\t' || *e == '\n' || *e == ';' || !*e) { + fprintf(stderr, "msed: no header value for %s\n", h); + exit(1); + } else { + sep = *e; + if (!sep) { + fprintf(stderr, "msed: unterminated a command\n"); exit(1); - } else { - sep = *e; - if (!sep) { - fprintf(stderr, "msed: unterminated a command\n"); - exit(1); - } - s = ++e; - while (*e && *e != sep) - e++; - v = strndup(s, e-s); } + s = ++e; + while (*e && *e != sep) + e++; + v = strndup(s, e-s); + } - if (blaze822_chdr(msg, h)) - break; + if (blaze822_chdr(msg, h)) + break; - printhdr(h, 0); - printf(": %s\n", v); + printhdr(h, 0); + printf(": %s\n", v); - break; + break; - case 'c': - case 'd': - case 's': - // ignore here; - break; + case 'c': + case 'd': + case 's': + // ignore here; + break; } while (*e && *e != ';' && *e != '\n') e++; @@ -300,7 +300,7 @@ main(int argc, char *argv[]) { int c; while ((c = getopt(argc, argv, "")) != -1) - switch(c) { + switch (c) { default: fprintf(stderr, "Usage: msed [expr] [msgs...]\n"); exit(1); @@ -313,6 +313,6 @@ main(int argc, char *argv[]) blaze822_loop1(".", sed); else blaze822_loop(argc-optind, argv+optind, sed); - + return 0; } |