diff --git a/src/core/misc.c b/src/core/misc.c index 1359b71b..f080fd0f 100644 --- a/src/core/misc.c +++ b/src/core/misc.c @@ -778,6 +778,20 @@ char *escape_string(const char *str) return ret; } +int strocpy(char *dest, const char *src, size_t dstsize) +{ + if (dstsize == 0) + return -1; + + while (*src != '\0' && dstsize > 1) { + *dest++ = *src++; + dstsize--; + } + + *dest++ = '\0'; + return *src == '\0' ? 0 : -1; +} + int nearest_power(int num) { int n = 1; diff --git a/src/core/misc.h b/src/core/misc.h index 37a3953d..35a9dfc8 100644 --- a/src/core/misc.h +++ b/src/core/misc.h @@ -101,6 +101,9 @@ int expand_escape(const char **data); /* Escape all '"', "'" and '\' chars with '\' */ char *escape_string(const char *str); +/* Like strlcpy(), but return -1 if buffer was overflown, 0 if not. */ +int strocpy(char *dest, const char *src, size_t dstsize); + int nearest_power(int num); /* Returns TRUE / FALSE */