From 9deed51aa2df7ca5979963f7452a6439ad2d3767 Mon Sep 17 00:00:00 2001 From: gramanas Date: Thu, 2 Sep 2021 17:23:42 +0300 Subject: initial --- util.c | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 util.c (limited to 'util.c') diff --git a/util.c b/util.c new file mode 100644 index 0000000..6eda622 --- /dev/null +++ b/util.c @@ -0,0 +1,54 @@ +#include "util.h" + +void +fdebug(const char *fmt, ...) +{ +#ifdef _FOOD_DEBUG + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); +#else + return; +#endif +} + +void +die(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + + if (fmt[0] && fmt[strlen(fmt)-1] == ':') { + fputc(' ', stderr); + perror(NULL); + } else { + fputc('\n', stderr); + } + + exit(1); +} + +void +trim(char * str) +{ + int i; + int begin = 0; + int end = strlen(str) - 1; + + while (isspace((unsigned char) str[begin])) + begin++; + + while (isspace((unsigned char) str[end]) && (end >= begin)) + end--; + + /* Shift all characters back to the start of the string array. */ + for (i = begin; i <= end; i++) + str[i - begin] = str[i]; + + str[i - begin] = '\0'; +} -- cgit v1.2.3