diff options
Diffstat (limited to 'util.c')
| -rw-r--r-- | util.c | 42 |
1 files changed, 42 insertions, 0 deletions
@@ -1,8 +1,10 @@ #include <ctype.h> +#include <err.h> #include <errno.h> #include <limits.h> #include <stdio.h> #include <stdlib.h> +#include <stdarg.h> #include <string.h> #include <sys/types.h> #include <time.h> @@ -161,3 +163,43 @@ strtotime(const char *s, time_t *t) return 0; } + +int +esnprintf(char *str, size_t size, const char *fmt, ...) +{ + va_list ap; + int r; + + va_start(ap, fmt); + r = vsnprintf(str, size, fmt, ap); + va_end(ap); + + if(r == -1 || (size_t)r >= size) + errx(1, "snprintf truncation"); + + return r; +} + +/* print text, ignore tabs, newline and carriage return etc + * print some HTML 2.0 / XML 1.0 as normal text */ +void +printcontent(const char *s, FILE *fp) +{ + const char *p; + + for(p = s; *p; p++) { + if(*p == '\\') { + p++; + if(*p == '\\') + fputc('\\', fp); + else if(*p == 't') + fputc('\t', fp); + else if(*p == 'n') + fputc('\n', fp); + else + fputc(*p, fp); /* unknown */ + } else { + fputc(*p, fp); + } + } +} |