commit: d10ec7c13b7f2024b69e38c08c267762bf4a701e
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date: Tue, 10 Mar 2026 06:34:00 +0100
init
Diffstat:
5 files changed, 113 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,5 @@
+# urlencode: percent-encode stdin for making URLs
+# Copyright © 2026 Haelwenn (lanodan) Monnier
+# SPDX-License-Identifier: MIT
+
+/urlencode
diff --git a/LICENSES/MIT.txt b/LICENSES/MIT.txt
@@ -0,0 +1,18 @@
+MIT License
+
+Copyright (c) <year> <copyright holders>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+associated documentation files (the "Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
+LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
+EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/Makefile b/Makefile
@@ -0,0 +1,10 @@
+# urlencode: percent-encode stdin for making URLs
+# Copyright © 2026 Haelwenn (lanodan) Monnier
+# SPDX-License-Identifier: MIT
+
+urlencode: urlencode.c Makefile
+ $(CC) -std=c99 $(CPPFLAGS) $(CFLAGS) -o urlencode urlencode.c $(LDFLAGS) $(LDSTATIC)
+
+PHONY: clean
+clean:
+ rm urlencode
diff --git a/urlencode.1 b/urlencode.1
@@ -0,0 +1,23 @@
+.\" urlencode: percent-encode stdin for making URLs
+.\" Copyright © 2026 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
+.\" SPDX-License-Identifier: MIT
+.Dd March 10, 2026
+.Dt URLENCODE 1
+.Os
+.Sh NAME
+.Nm urlencode
+.Nd percent-encode stdin for making URLs
+.Sh SYNOPSIS
+.Nm
+.Sh DESCRIPTION
+.Nm
+reads bytes from standard input, prints it as-is if unreserved,
+and otherwise percent encodes it.
+.Sh EXIT STATUS
+.Ex -std
+.Sh SEE ALSO
+.Xr trurl 1
+.Sh STANDARDS
+STD66, RFC3986\ -\ "Uniform Resource Identifier (URI): Generic Syntax"
+.Sh AUTHORS
+.An Haelwenn (lanodan) Monnier Aq Mt contact+utils@hacktivis.me
diff --git a/urlencode.c b/urlencode.c
@@ -0,0 +1,57 @@
+// urlencode: percent-encode stdin for making URLs
+// Copyright © 2026 Haelwenn (lanodan) Monnier
+// SPDX-License-Identifier: MIT
+#define _POSIX_C_SOURCE 200809L
+#include <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int
+main(void)
+{
+ for(;;)
+ {
+ static char buf[512];
+ ssize_t got = read(STDIN_FILENO, buf, 512);
+ if(got == 0) break;
+ if(got < 0)
+ {
+ if(errno == EAGAIN || errno == EINTR)
+ continue;
+
+ perror("urlencode: error: Failed reading from stdin");
+ return 1;
+ }
+
+ for(ssize_t i = 0; i < got; i++)
+ {
+ register uint8_t c = buf[i] & 0xFF;
+
+ /* A-Za-z0-9[\-._~] */
+ if(
+ (c >= 'A' && c <= 'Z') ||
+ (c >= 'a' && c <= 'z') ||
+ (c >= '0' && c <= '9') ||
+ c == '-' || c == '.' || c == '_' || c == '~' ||
+ c == '\n'
+ )
+ {
+ fputc(c, stdout);
+
+ if(c == '\n') fflush(stdout);
+ continue;
+ }
+
+ if(c == '\r') continue;
+
+ fprintf(stdout, "%%%02X", c);
+ }
+
+ fflush(stdout);
+ }
+
+ fflush(stdout);
+
+ return 0;
+}
