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feat(str): add strncat implementation #643

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merged 1 commit into from
Nov 16, 2023
Merged

feat(str): add strncat implementation #643

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18 changes: 18 additions & 0 deletions submodules/LIB/software/modules/iob_str/software/src/iob_str.c
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Original file line number Diff line number Diff line change
Expand Up @@ -35,3 +35,21 @@ int iob_strlen(char *str) {
}
return c;
}

// concatenate src to dst up to max_len chars
// return concatenated string
char* iob_strncat(char *dst, char *src, int max_len) {
int i = 0;
int j = 0;

while((dst[i] != '\0')){
i++;
}

while((src[j] != '\0') && (j < max_len)){
dst[i++] = src[j++];
}
dst[i] = '\0';

return dst;
}
1 change: 1 addition & 0 deletions submodules/LIB/software/modules/iob_str/software/src/iob_str.h
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
int iob_strcpy(char *dst, char *src);
int iob_strcmp(char *str1, char *str2, int str_size);
int iob_strlen(char *str);
char* iob_strncat(char *dst, char *src, int max_len);