diff options
Diffstat (limited to 'src/scrotty.c')
| -rw-r--r-- | src/scrotty.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/src/scrotty.c b/src/scrotty.c index b9ac6b8..16aebbb 100644 --- a/src/scrotty.c +++ b/src/scrotty.c @@ -89,13 +89,12 @@ static char** convert_args; * Create an PNM-file that is sent to `convert` for convertion to a compressed format * * @param fbname The framebuffer device - * @param fbno The number of the framebuffer * @param width The width of the image * @param height The height of the image * @param fd The file descriptor connected to `convert`'s stdin * @return Zero on success, -1 on error */ -static int save_pnm(const char* fbpath, int fbno, long width, long height, int fd) +static int save_pnm(const char* fbpath, long width, long height, int fd) { char buf[PATH_MAX]; FILE* file; @@ -119,7 +118,7 @@ static int save_pnm(const char* fbpath, int fbno, long width, long height, int f for (off = 0;;) { /* Read data from the framebuffer, we may have up to 3 bytes buffered. */ - got = read(fbfd, buf + off, sizeof(buf) - off * sizeof(char)); + got = read(fbfd, buf + off, sizeof(buf) - (size_t)off * sizeof(char)); if (got < 0) return saved_errno = errno, fclose(file), close(fbfd), errno = saved_errno, -1; if (got += off, got == 0) @@ -143,7 +142,7 @@ static int save_pnm(const char* fbpath, int fbno, long width, long height, int f if (off != got) { off -= 4; - memcpy(buf, buf + off, (got - off) * sizeof(char)); + memcpy(buf, buf + off, (size_t)(got - off) * sizeof(char)); off = got - off; } else @@ -163,12 +162,11 @@ static int save_pnm(const char* fbpath, int fbno, long width, long height, int f * * @param fbname The framebuffer device * @param imgname The pathname of the output image - * @param fbno The number of the framebuffer * @param width The width of the image * @param height The height of the image * @return Zero on success, -1 on error */ -static int save(const char* fbpath, const char* imgpath, int fbno, long width, long height) +static int save(const char* fbpath, const char* imgpath, long width, long height) { int pipe_rw[2]; pid_t pid, reaped; @@ -207,7 +205,7 @@ static int save(const char* fbpath, const char* imgpath, int fbno, long width, l close(pipe_rw[0]); /* Create a PNM-image of the framebuffer. */ - if (save_pnm(fbpath, fbno, width, height, pipe_rw[1]) < 0) + if (save_pnm(fbpath, width, height, pipe_rw[1]) < 0) return saved_errno = errno, close(pipe_rw[1]), errno = saved_errno, -1; /* Close the write-end of the pipe. */ @@ -351,7 +349,7 @@ static int evaluate(char* restrict buf, size_t n, const char* restrict pattern, else if (c == '%') buf[i++] = c, percent = 1; else if (c == '\\') backslash = 1; else if (c == '$') dollar = 1; - else if (c == ' ') buf[i++] = path == NULL ? ' ' : 255; /* 255 is not valid in UTF-8. */ + else if (c == ' ') buf[i++] = path == NULL ? ' ' : (char)255; /* 255 is not valid in UTF-8. */ else buf[i++] = c; if (i >= n) @@ -370,7 +368,10 @@ static int evaluate(char* restrict buf, size_t n, const char* restrict pattern, /* Expand '%'. */ t = time(NULL); localtime_r(&t, &tm); +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wformat-nonliteral" if (strftime(buf, n, fmt, &tm) == 0) +# pragma GCC diagnostic pop return errno = ENAMETOOLONG, -1; return 0; @@ -395,7 +396,7 @@ static int exec_image(char* flatten_args) /* Count arguments. */ for (i = 0; flatten_args[i]; i++) - if (flatten_args[i] == 255) + if ((unsigned char)(flatten_args[i]) == 255) arg_count++; /* Allocate argument array. */ @@ -477,11 +478,11 @@ static int save_fb(int fbno, const char* filepattern, const char* execpattern) } } else - if (evaluate(imgpath, PATH_MAX, filepattern, fbno, width, height, NULL) < 0) + if (evaluate(imgpath, (size_t)PATH_MAX, filepattern, fbno, width, height, NULL) < 0) return -1; /* Take a screenshot of the current framebuffer. */ - if (save(fbpath, imgpath, fbno, width, height) < 0) + if (save(fbpath, imgpath, width, height) < 0) return -1; fprintf(stderr, "Saved framebuffer %i to %s\n", fbno, imgpath); @@ -608,6 +609,8 @@ static int print_copyright(void) int main(int argc, char* argv[]) { int fbno, r, i, dash = argc, exec = -1, help = 0, version = 0, copyright = 0, filepattern = -1; + static char convert_args_0[] = "convert"; + static char convert_args_1[] = DEVDIR "/stdin"; static char convert_args_2[PATH_MAX]; execname = *argv; @@ -640,9 +643,9 @@ int main(int argc, char* argv[]) if (copyright) return -(print_copyright()); /* Create arguments for `convert`. */ - convert_args = alloca((4 + (argc - dash)) * sizeof(char*)); - convert_args[0] = "convert"; - convert_args[1] = DEVDIR "/stdin"; + convert_args = alloca((size_t)(4 + (argc - dash)) * sizeof(char*)); + convert_args[0] = convert_args_0; + convert_args[1] = convert_args_1; convert_args[2] = convert_args_2; for (i = dash; i < argc; i++) convert_args[i - dash + 2] = argv[i]; |